1381027 has 2 divisors, whose sum is σ = 1381028. Its totient is φ = 1381026.

The previous prime is 1380997. The next prime is 1381033. The reversal of 1381027 is 7201831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1381027 is a prime.

1381027 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1380989 and 1381007.

It is not a weakly prime, because it can be changed into another prime (1381057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690513 + 690514.

It is an arithmetic number, because the mean of its divisors is an integer number (690514).

2^1381027 is an apocalyptic number.

1381027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381027 is an equidigital number, since it uses as much as digits as its factorization.

1381027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1381027 is about 1175.1710513793. The cubic root of 1381027 is about 111.3612395733.

Adding to 1381027 its reverse (7201831), we get a palindrome (8582858).

The spelling of 1381027 in words is "one million, three hundred eighty-one thousand, twenty-seven".